[The study of cracking on the labial surface of human deciduous anterior teeth caused by the cavity preparation by high speed technic. I. The naturally appeared cracking on the human deciduous anterior teeth].
D002648:Child; D002675:Child, Preschool; D003743:Dental Enamel; D003755:Dental High-Speed Technique / Q000009:adverse effects*; D006801:Humans; D014094:Tooth, Deciduous